105656023 has 8 divisors (see below), whose sum is σ = 116885376. Its totient is φ = 94697400.

The previous prime is 105656011. The next prime is 105656027. The reversal of 105656023 is 320656501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105656023 - 2²⁵ = 72101591 is a prime.

It is a super-2 number, since 2×105656023² = 22326390392353058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105655982 and 105656000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105656027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66861 + ... + 68422.

It is an arithmetic number, because the mean of its divisors is an integer number (14610672).

Almost surely, 2^105656023 is an apocalyptic number.

105656023 is a deficient number, since it is larger than the sum of its proper divisors (11229353).

105656023 is a wasteful number, since it uses less digits than its factorization.

105656023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135365.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 105656023 is about 10278.9115668927. The cubic root of 105656023 is about 472.7498718497.

The spelling of 105656023 in words is "one hundred five million, six hundred fifty-six thousand, twenty-three".